280015500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 880588800

約数和(自身を除く): 600573300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 79, 85, 100, 102, 125, 139, 150, 158, 170, 204, 237, 250, 255, 278, 300, 316, 340, 375, 395, 417, 425, 474, 500, 510, 556, 695, 750, 790, 834, 850, 948, 1020, 1185, 1275, 1343, 1390, 1500, 1580, 1668, 1700, 1975, 2085, 2125, 2363, 2370, 2550, 2686, 2780, 3475, 3950, 4029, 4170, 4250, 4726, 4740, 5100, 5372, 5925, 6375, 6715, 6950, 7089, 7900, 8058, 8340, 8500, 9452, 9875, 10425, 10981, 11815, 11850, 12750, 13430, 13900, 14178, 16116, 17375, 19750, 20145, 20850, 21962, 23630, 23700, 25500, 26860, 28356, 29625, 32943, 33575, 34750, 35445, 39500, 40290, 41700, 43924, 47260, 52125, 54905, 59075, 59250, 65886, 67150, 69500, 70890, 80580, 100725, 104250, 109810, 118150, 118500, 131772, 134300, 141780, 164715, 167875, 177225, 186677, 201450, 208500, 219620, 236300, 274525, 295375, 329430, 335750, 354450, 373354, 402900, 503625, 549050, 560031, 590750, 658860, 671500, 708900, 746708, 823575, 886125, 933385, 1007250, 1098100, 1120062, 1181500, 1372625, 1647150, 1772250, 1866770, 2014500, 2240124, 2745250, 2800155, 3294300, 3544500, 3733540, 4117875, 4666925, 5490500, 5600310, 8235750, 9333850, 11200620, 14000775, 16471500, 18667700, 23334625, 28001550, 46669250, 56003100, 70003875, 93338500, 140007750, 280015500]

約数ペア:

[(1, 280015500), (2, 140007750), (3, 93338500), (4, 70003875), (5, 56003100), (6, 46669250), (10, 28001550), (12, 23334625), (15, 18667700), (17, 16471500), (20, 14000775), (25, 11200620), (30, 9333850), (34, 8235750), (50, 5600310), (51, 5490500), (60, 4666925), (68, 4117875), (75, 3733540), (79, 3544500), (85, 3294300), (100, 2800155), (102, 2745250), (125, 2240124), (139, 2014500), (150, 1866770), (158, 1772250), (170, 1647150), (204, 1372625), (237, 1181500), (250, 1120062), (255, 1098100), (278, 1007250), (300, 933385), (316, 886125), (340, 823575), (375, 746708), (395, 708900), (417, 671500), (425, 658860), (474, 590750), (500, 560031), (510, 549050), (556, 503625), (695, 402900), (750, 373354), (790, 354450), (834, 335750), (850, 329430), (948, 295375), (1020, 274525), (1185, 236300), (1275, 219620), (1343, 208500), (1390, 201450), (1500, 186677), (1580, 177225), (1668, 167875), (1700, 164715), (1975, 141780), (2085, 134300), (2125, 131772), (2363, 118500), (2370, 118150), (2550, 109810), (2686, 104250), (2780, 100725), (3475, 80580), (3950, 70890), (4029, 69500), (4170, 67150), (4250, 65886), (4726, 59250), (4740, 59075), (5100, 54905), (5372, 52125), (5925, 47260), (6375, 43924), (6715, 41700), (6950, 40290), (7089, 39500), (7900, 35445), (8058, 34750), (8340, 33575), (8500, 32943), (9452, 29625), (9875, 28356), (10425, 26860), (10981, 25500), (11815, 23700), (11850, 23630), (12750, 21962), (13430, 20850), (13900, 20145), (14178, 19750), (16116, 17375)]